<template>
  <div style="padding: 20px;">
    <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
      <el-form-item>
        <el-input v-model="dataForm.key" placeholder="输入名称或者编码" clearable></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="getDataList()">查询</el-button>
        <el-button type="primary" @click="addOrUpdateHandle()">新增</el-button>
        <el-button type="danger" @click="deleteHandle()" :disabled="dataListSelections.length <= 0">批量删除</el-button>
        <el-button type="primary" @click="exportExcel()">导出</el-button>
        <el-button type="primary" @click="importVisible=true">导入</el-button>
        <el-button type="danger" @click="clearAll()">清空</el-button>
      </el-form-item>
    </el-form>
    <el-table
      :data="dataList"
      border
      v-loading="dataListLoading"
      @selection-change="selectionChangeHandle"
      style="width: 100%;">
      <el-table-column
        type="selection"
        header-align="center"
        align="center"
        width="50">
      </el-table-column>
      <el-table-column
        prop="id"
        header-align="center"
        align="center"
        v-if=false
        label="id">
      </el-table-column>
      <el-table-column
        prop="name"
        header-align="center"
        align="left"
        label="名称">
      </el-table-column>
      <el-table-column
        prop="code"
        header-align="center"
        align="center"
        label="编码">
      </el-table-column>
      <el-table-column
        prop="oldCode"
        header-align="center"
        align="center"
        label="老编码">
      </el-table-column>
      <el-table-column
        fixed="right"
        header-align="center"
        align="center"
        width="150"
        label="操作">
        <template slot-scope="scope">
          <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.id)">修改</el-button>
          <el-button type="text" size="small" @click="deleteHandle(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      @size-change="sizeChangeHandle"
      @current-change="currentChangeHandle"
      :current-page="pageIndex"
      :page-sizes="[10, 20, 50, 100]"
      :page-size="pageSize"
      :total="totalPage"
      layout="total, sizes, prev, pager, next, jumper">
    </el-pagination>
    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>

    <el-dialog title="导入数据" :visible.sync="importVisible" width="80%" :close-on-click-modal="false" @close="closeImportDialog()">
      <el-form label-width="100px">
        <el-row :gutter="15">
          <el-col :span="20">
            <el-form-item label="选择excel" :rules="[{ required: true}]">
              <input type="file" ref="inputFile" accept=".xls, .xlsx">
            </el-form-item>
          </el-col>
        </el-row>
        <el-row :gutter="15">
          <el-col :span="20">
            <el-form-item label="操作提示">
              <div>1、如果文件被加密，请解密后再选择导入</div>
              <div>2、请按照导出的EXCEL模板格式（code,oldCode,name三个字段）</div>
              <div>3、一行数据必须有新编码或者老编码，两者之一</div>
              <div>4、如有同一个老编码被导入两次，第二次会覆盖第一次导入</div>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <el-alert v-if="importError>''" :title="importError" type="error"></el-alert>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="closeImportDialog()" size="small">取 消</el-button>
        <el-button type="primary" @click="importExcel" size="small" class="addItem" :loading="importLoading">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
  import AddOrUpdate from './thing-add-or-update'
  export default {
    data () {
      return {
        dataForm: {
          key: ''
        },
        dataList: [],
        pageIndex: 1,
        pageSize: 10,
        totalPage: 0,
        dataListLoading: false,
        dataListSelections: [],
        addOrUpdateVisible: false,
        importVisible: false,
        importError: '',
        importLoading: false
      }
    },
    components: {
      AddOrUpdate
    },
    activated () {
      this.getDataList()
    },
    methods: {
      clearAll(){
        this.$confirm(`危险操作，确定清空?`, '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.$http({
            url: this.$http.adornUrl('/erp/thing/clear'),
            method: 'post',
            data: {}
          }).then(({data}) => {
            if (data && data.code === 0) {
              this.$message({
                message: '操作成功',
                type: 'success',
                duration: 1500,
                onClose: () => {
                  this.getDataList()
                }
              })
            } else {
              this.$message.error(data.msg)
            }
          })
        })
      },
      exportExcel(){
        window.open("/proxyApi/erp/thing/export", "_blank", "scrollbars=yes,resizable=1,modal=false,alwaysRaised=yes");
      },
      closeImportDialog(){
        this.importVisible = false
        this.importLoading = false
        this.importError = ''
        //this.$refs.inputFile.value = ''
      },
      importExcel(){
        this.importError = ''
        let files = this.$refs.inputFile.files;
        if (files.length === 0) {
          this.importError = "请选择文件"
          return
        }
        this.importLoading = true
        let formData = new FormData();
        formData.append('file', files[0]);
        this.$http({
          url: this.$http.adornUrl('/erp/thing/importExcel'),
          method: 'POST',
          headers: {'Content-Type': 'multipart/form-data'},
          data: formData
        }).then(({data}) => {
          if (data && data.code === 0) {
            this.$message({message: '操作成功', type: 'success', duration: 1500,
              onClose: () => {
                this.importVisible = false
                this.getDataList()
              }
            })
          } else {
            this.importError = data.msg;
          }
        }).finally(()=>{
          this.importLoading = false
        })
      },
      // 获取数据列表
      getDataList () {
        this.dataListLoading = true
        this.$http({
          url: this.$http.adornUrl('/erp/thing/list'),
          method: 'get',
          params: this.$http.adornParams({
            'page': this.pageIndex,
            'limit': this.pageSize,
            'key': this.dataForm.key
          })
        }).then(({data}) => {
          if (data && data.code === 0) {
            this.dataList = data.page.list
            this.totalPage = data.page.totalCount
          } else {
            this.dataList = []
            this.totalPage = 0
          }
          this.dataListLoading = false
        })
      },
      // 每页数
      sizeChangeHandle (val) {
        this.pageSize = val
        this.pageIndex = 1
        this.getDataList()
      },
      // 当前页
      currentChangeHandle (val) {
        this.pageIndex = val
        this.getDataList()
      },
      // 多选
      selectionChangeHandle (val) {
        this.dataListSelections = val
      },
      // 新增 / 修改
      addOrUpdateHandle (id) {
        this.addOrUpdateVisible = true
        this.$nextTick(() => {
          this.$refs.addOrUpdate.init(id)
        })
      },
      // 删除
      deleteHandle (id) {
        var ids = id ? [id] : this.dataListSelections.map(item => {
          return item.id
        })
        this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.$http({
            url: this.$http.adornUrl('/erp/thing/delete'),
            method: 'post',
            data: this.$http.adornData(ids, false)
          }).then(({data}) => {
            if (data && data.code === 0) {
              this.$message({
                message: '操作成功',
                type: 'success',
                duration: 1500,
                onClose: () => {
                  this.getDataList()
                }
              })
            } else {
              this.$message.error(data.msg)
            }
          })
        })
      }
    }
  }
</script>
